Size: M8-M72
Surface：ZP，HDG
Type: L type
Material: Stainless steel;Carbon steel, etc.
d | M8 | M10 | M12 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 | M72 |
P | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 |
b | 22.5 | 28 | 33.5 | 44 | 55 | 66 | 82 | 98 | 114 | 130 | 151 | 172 | 192 |
20 | 25 | 30 | 40 | 50 | 60 | 75 | 90 | 105 | 120 | 140 | 160 | 180 | |
n | 25 | 32 | 40 | 55 | 65 | 80 | 100 | 120 | 140 | 160 | 185 | 210 | 250 |
s | 55 | 55 | 70 | 90 | 110 | 130 | 160 | 190 | 230 | 260 | 290 | 340 | 370 |
e | 35 | 45 | 55 | 70 | 85 | 100 | 120 | 140 | 160 | 180 | 210 | 250 | 290 |
When the mechanical components are installed on the concrete foundation, the J-shaped end of this bolt is buried in the concrete for use.
J anchor bolts generally use Q235 steel, which is smooth and round. The thread of the nut is not as easy as round. For smooth round anchor bolts, the buried depth is generally 25 times the diameter, and then a 90-degree hook with a length of about 120mm is made. If the bolt diameter is large and the buried depth is too deep, a square plate can be welded to the end of the bolt, that is, a large head is enough. The buried depth and the hook are to ensure the friction between the bolt and the foundation, so that the bolt will not be pulled out and damaged.
Anchor bolts can be divided into:
Fix the anchor bolts
Movable anchor bolts
Expansion anchor bolts
Bond the anchor bolts
Installation:
Treatment of the loosening of foundation bolts in the foundation. When the anchor bolts are tightened, the bolts may be pulled out. At this time, the bolts should be adjusted to the original position, and the foundation around the bolts should be shoveled out enough, and then welded on the bolts. Lay two U-shaped steel bars vertically and horizontally, and then clean the pit with water and grouting. After the concrete has solidified to the design strength, tighten the live anchor bolts. The treatment method of live anchor bolt deviation is roughly the same as that of dead anchor bolts. Just pull out the anchor bolts for processing. If the bolt is too long, it can be cut off on the machine tool and threaded; if the bolt is too short, it can be extended by hot forging; if the position does not match, use the bending method to correct it.
Application industry:
Suitable for all kinds of equipment fixing, steel structure foundation embedded parts, street lights, traffic signs, pumps, boiler installation, heavy equipment embedded fixing, etc.
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